had a chance meeting with a castrol dist.today , and cg 0w30 came up.the rep told me that there is a new mb 229.5 spec...and that he can supply the spec oil,in bulk ie,55 gal drums to fast lube and
merc dealers. it is cg 0w30..ck' my small supply
og cg but the lable only states mb 229.1 and...